15888241 has 2 divisors, whose sum is σ = 15888242. Its totient is φ = 15888240.

The previous prime is 15888227. The next prime is 15888253. The reversal of 15888241 is 14288851.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15800625 + 87616 = 3975^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 15888241 - 2¹⁵ = 15855473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15888241.

It is not a weakly prime, because it can be changed into another prime (15888211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7944120 + 7944121.

It is an arithmetic number, because the mean of its divisors is an integer number (7944121).

Almost surely, 2^15888241 is an apocalyptic number.

It is an amenable number.

15888241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15888241 is an equidigital number, since it uses as much as digits as its factorization.

15888241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20480, while the sum is 37.

The square root of 15888241 is about 3986.0056447527. The cubic root of 15888241 is about 251.3961406512.

It can be divided in two parts, 15888 and 241, that added together give a square (16129 = 127²).

The spelling of 15888241 in words is "fifteen million, eight hundred eighty-eight thousand, two hundred forty-one".